Hardware Reference
In-Depth Information
Notes on This Topic
Throughout this topic, you'll spot several items aimed to help you understand the topics covered
or provide additional information.
The first you'll come across are some odd looking boxes that look a little bit like barcodes. These
are in fact QR codes, which you can scan with the camera on your iPhone, iPad, or iPod Touch using
a QR code reader app to access App Store and iTunes Store links. You can download a QR reader
from the App Store to your device (many are free), and I recommend installing one before you con-
tinue reading.
Second, there are sidebars toward the end of several chapters called “A Day in the Life.” These
sidebars offer a rundown of all the topics and processes in a chapter condensed into fictional real-
world activities. They show you how the features and techniques described in a chapter will benefit
you on an average day as well as provide inspiration on how you might better use iCloud, AirPlay,
and Apple's other connected technologies on a day-to-day basis.
There are several special keys for actions you take on a computer.
• Apple ( ): Opens the Apple menu (at the far left of the menu bar).
• Command ( ): Used for most commands' shortcuts.
• Windows ( ): Used for several commands in Windows 8.
I use the + symbol in keyboard shortcuts to indicate keys that should be pressed simultaneously,
so Command+A means to press and hold Command and then press A before releasing both keys.
I also use > to indicate the separator for a menu sequence, so “Edit > Copy” means to choose
Copy from the Edit menu.
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